// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
using SharpCifs.Util;
using SharpCifs.Util.Sharpen;

namespace SharpCifs.Smb
{
    internal class SmbComQueryInformationResponse : ServerMessageBlock, IInfo
    {
        private int _fileAttributes = 0x0000;

        private long _lastWriteTime;

        private long _serverTimeZoneOffset;

        private int _fileSize;

        internal SmbComQueryInformationResponse(long serverTimeZoneOffset)
        {
            this._serverTimeZoneOffset = serverTimeZoneOffset;
            Command = SmbComQueryInformation;
        }

        public virtual int GetAttributes()
        {
            return _fileAttributes;
        }

        public virtual long GetCreateTime()
        {
            return _lastWriteTime + _serverTimeZoneOffset;
        }

        public virtual long GetLastWriteTime()
        {
            return _lastWriteTime + _serverTimeZoneOffset;
        }

        public virtual long GetSize()
        {
            return _fileSize;
        }

        internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex)
        {
            if (WordCount == 0)
            {
                return 0;
            }
            _fileAttributes = ReadInt2(buffer, bufferIndex);
            bufferIndex += 2;
            _lastWriteTime = ReadUTime(buffer, bufferIndex);
            bufferIndex += 4;
            _fileSize = ReadInt4(buffer, bufferIndex);
            return 20;
        }

        internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
        {
            return 0;
        }

        public override string ToString()
        {
            return "SmbComQueryInformationResponse[" 
                        + base.ToString() 
                        + ",fileAttributes=0x" + Hexdump.ToHexString(_fileAttributes, 4) 
                        + ",lastWriteTime=" + Extensions.CreateDate(_lastWriteTime) 
                        + ",fileSize=" + _fileSize + "]";
        }
    }
}
